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Decoder installation in MM141

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gph2000

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The DCC plug on the loco PCB will be missing one pin (i.e. have 21 instead of 22), and the DCC socket on the decoder chip will have one of the pin sockets blocked off (i.e. so a pin cannot go through it and only 21 holes open).  It should look like orientation in the photo below.  This is to prevent folk plugging the chip in the wrong way around 

76016BA7-2AF5-4CA9-8BC4-0D9FBA65FF2C.jpg

 

See the missing pin below on the lower left side of the DCC plug on the loco PCB.  

EB08248D-43DF-48D8-BEE3-FD21F5FFE63E.jpg

 

Here's another angle of a 21pin lenz decoder installed

MM182a.jpg

Edited by Noel
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